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United States Patent | 6,032,067 |
Sjoholm | February 29, 2000 |
A system for delivering radiation to an intracorporeal target site has a controllable external radiation source 8 and a cooperable location system for controlling the radiation source to deliver radiation to the internal target site. The location system includes a reference element positionable at an internal site having a known spatial relationship with the target site, this element being configured to provide an output signal related to its location for controlling the radiation source.
Inventors: | Sjoholm; Gosta (Bromma, SE) |
Assignee: | Siemens Elema AB (Solna, SE) |
Appl. No.: | 161654 |
Filed: | September 28, 1998 |
Sep 30, 1997[SE] | 9703543 |
Current U.S. Class: | 600/407; 600/439 |
Intern'l Class: | A61B 005/00; A61B 008/00 |
Field of Search: | 600/439,443,462,459,407,411 607/122,125 601/3,2 128/898,899 |
5383466 | Jan., 1995 | Partika | 128/662. |
5590657 | Jan., 1997 | Cain et al. | 128/660. |
5624382 | Apr., 1997 | Oppelt et al. | 600/439. |
5817021 | Oct., 1998 | Reichenberger | 600/439. |
5840030 | Nov., 1998 | Ferek-Petric et al. | 600/439. |
5899857 | May., 1999 | Wilk | 600/411. |
5938600 | Aug., 1999 | Von Voals et al. | 600/411. |